Tom Hiddleston

Charles 'Chuck' Krantz

Jacob Tremblay

Charles 'Chuck' Krantz (teen)

Benjamin Pajak

Charles 'Chuck' Krantz (pre-teen)

Nick Offerman

Narrator (voice)

Chiwetel Ejiofor

Marty Anderson

Karen Gillan

Felicia Gordon

Annalise Basso

Janice Halliday

Mia Sara

Sarah Krantz

Mark Hamill

Albie Krantz

Samantha Sloyan

Miss Rohrbacher